%0 Journal Article %A V. Tolokonnikov %T Extremal functions of the Nevanlinna-Pick problem and Douglas algebras %J Studia Mathematica %D 1993 %P 151-158 %V 105 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-105-2-151-158/ %R 10.4064/sm-105-2-151-158 %G en %F 10_4064_sm_105_2_151_158